Perhaps you should try some spelling variations:
tuan sang » tuan bang, tuan dang, xuan sang
thu sach » tu sach, thuat sach, thuoc sach
van tuan » van quan, van ban, anh tuan
cham xuc » cam xuc, chat xuc, cham soc
dang xay » dang van, van xay
xay hoi » xa hoi, tay hoi, cay phoi
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
xuc van » duc van, luc van, vuc van
ky dang » ky nang, ky danh
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (tu cac)) ky dang xay hoi. hieu vu cham xuc van tuan sang ((cua tre) OR (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu cac)) ky dang xay hoi. hieu vu cham xuc van tuan sang ((cua tre) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu cac)) ky dang xay hoi. hieu vu cham xuc van tuan sang ((cua tre) OR (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu cac)) ky dang xay hoi. hieu vu cham xuc van tuan sang ((cua tre) OR (cuu tre))*.